Mathematics, 20.08.2019 09:00 nylaboo2222

Plumber and his assistant work together to replace the pipes in an old house . the plumber charges $45 per hour for his own work and $25 for his assistant's labor. the plumber works twice as long as his assistant on this job, and the labor charge on the final bill is $4035. how long did the plumber and his assistant work on the job?

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Plumber and his assistant work together to replace the pipes in an old house . the plumber charges $...

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